etrog, one of four species of plants used during the Jewish celebration of Sukkot (Feast of Booths), a festival of gratitude to God for the bounty of the earth that is celebrated in autumn at the end of the harvest festival. For ritual purposes, the etrog must be perfect in stem and body. It is

etrog, one of four species of plants used during the Jewish celebration of Sukkot (Feast of Booths), a festival of gratitude to God for the bounty of the earth that is celebrated in autumn at the end of the harvest festival. For ritual purposes, the etrog must be perfect in stem and body. It is

Etruria, Ancient country, central Italy. It covered the region that now comprises Tuscany and part of Umbria. Etruria was inhabited by the Etruscans, who established a civilization by the 7th century bc. Their chief confederation, traditionally including 12 cities, developed a culture that reached

house of Bourbon: The Bourbon sovereignties: The Kingdom of Etruria (1801–07) was a contrivance of the Napoleonic period. Devised by the French for the house of Bourbon-Parma in compensation for the impending annexation of Parma to France at a time when France still needed the goodwill of the Spanish Bourbons, it was…

ancient Italic people: Religion and mythology: …what the Romans called the Etrusca disciplina.

Etruscan, member of an ancient people of Etruria, Italy, between the Tiber and Arno rivers west and south of the Apennines, whose urban civilization reached its height in the 6th century bce. Many features of Etruscan culture were adopted by the Romans, their successors to power in the peninsula. A

Etruscan alphabet, writing system of the Etruscans, derived from a Greek alphabet (originally learned from the Phoenicians) as early as the 8th century bc. It is known to modern scholars from more than 10,000 inscriptions. Like the alphabets of the Middle East and the early forms of the Greek

Etruscan art, (c. 8th–4th century bce) art of the people of Etruria. Etruscan art falls into three categories: funerary, urban, and sacred. Because of Etruscan attitudes toward the afterlife, most of the art that remains is funerary. Characteristic achievements are the wall frescoes—painted in

Etruscan language, language isolate spoken by close neighbours of the ancient Romans. The Romans called the Etruscans Etrusci or Tusci; in Greek they were called Tyrsenoi or Tyrrhenoi; in Umbrian and Italic language their name can be found in the adjective turskum. The Etruscans’ name for

ancient Italic people: Religion and mythology: The essential ingredient in Etruscan religion was a belief that human life was but one small meaningful element in a universe controlled by gods who manifested their nature and their will in every facet of the natural world as well as in objects created by humans. This belief permeates…

insectivore: Natural history: The white-toothed pygmy shrew (Suncus etruscus), however, weighs less than 2.5 grams (0.09 ounce) and is perhaps the smallest living mammal. Other insectivores, such as the moonrat (Echinosorex gymnura) and the tailless tenrec (Tenrec ecaudatus), attain the size of a small rabbit. Most insectivores are either…

Etruscan, member of an ancient people of Etruria, Italy, between the Tiber and Arno rivers west and south of the Apennines, whose urban civilization reached its height in the 6th century bce. Many features of Etruscan culture were adopted by the Romans, their successors to power in the peninsula. A

Adige River, longest stream of Italy after the Po River. The Adige rises in the north from two Alpine mountain lakes below Resia Pass and flows rapidly through the Venosta Valley south and east past Merano and Bolzano. Having received the waters of the Isarco River at Bolzano, the Adige turns south

Callixtus II: His bull Etsi Judaeis (1120) gave a considerable measure of protection to Roman Jews. He was succeeded by Honorius II.

Etsy, American e-commerce company, founded in 2005 by entrepreneur Rob Kalin and partners Chris Maguire and Haim Schoppik, that provides a global Internet marketplace for handmade and other wares. The company’s headquarters are in Brooklyn, New York. Sellers create personal shops through the Etsy

Per Olov Enquist: …Prize again in 2008 for Ett annat liv.

number game: Pioneers and imitators: In 1624 a French Jesuit, Jean Leurechon, writing under the pen name of van Etten, published Récréations mathématiques. This volume struck the popular fancy, passing through at least 30 editions before 1700, despite the fact that it was based largely on the work of Bachet, from whom he took the…

Etterbeek, municipality, Brussels-Capital Region, central Belgium. First mentioned in the early 12th century, Etterbeek is one of the 19 suburban communes that, with Brussels proper, make up Greater Brussels. Historically, Etterbeek was primarily industrial, with chemical, clothing, metalwork,

cryonics: …of Immortality, a book by Robert Ettinger that was initially released in 1962 and formally published in 1964. Ettinger subsequently became known as the father of cryonics. His body was cryonically preserved upon his death in 2011 and was stored at the Cryonics Institute in Clinton Township, Michigan. The first…

cryonics: …of Immortality, a book by Robert Ettinger that was initially released in 1962 and formally published in 1964. Ettinger subsequently became known as the father of cryonics. His body was cryonically preserved upon his death in 2011 and was stored at the Cryonics Institute in Clinton Township, Michigan. The first…

Patrick Ruthven, earl of Forth was the supreme commander of the Royalist forces of Charles I during the early phases of the English Civil Wars. A descendant of the 1st Lord Ruthven (d. 1528) in a collateral line, he distinguished himself in the service of Sweden, which he entered about 1606. As a

River Ettrick, river, Scottish Borders council area, Scot. The River Ettrick, noted for its trout and salmon, rises in the extreme southwest of the district and flows northeast for 32 miles (51 km) to the River Tweed. Its valley, Ettrickdale, has literary and family connections with Sir Walter

Sangam literature: …rhetoric, and eight anthologies (Ettuttokai) of poetry were compiled—Ainkurunuru, Kuruntokai, Narrinai, Akananuru, Kalittokai, Patirruppattu, Purananuru, and Paripatal. A ninth anthology, Pattupattu, consists of 10 idylls that present a picture of early Tamil life.

William Etty was one of the last of the English academic history painters. In 1807 he was admitted to the Royal Academy schools, and by 1818 he had developed considerable talent as a portraitist. The grand but simply conceived “Combat” (1825) brought him his first great success. During the last

étude, in music, originally a study or technical exercise, later a complete and musically intelligible composition exploring a particular technical problem in an esthetically satisfying manner. Although a number of didactic pieces date from earlier times, including vocal solfeggi and keyboard works

theatre: The great directors: …constructed a set of 16 études as the basis of biomechanics. These études were chosen from an eclectic range of sources, including the circus, Chinese and Japanese theatre, and sport, and they formed the basis of his extended movement vocabulary. The études were sequences of precise muscular movements intended to…

Alfred Binet: L’Étude expérimentale de l’intelligence (1903; “Experimental Study of Intelligence”) is an investigation of the mental characteristics of his two daughters, which he developed into a systematic study of two contrasted types of personalities. Between 1905 and 1911 he and Théodore Simon developed highly influential scales…

Harald Lander: …compositions include the frequently performed Études (1948), a one-act ballet that begins with traditional ballet exercises at a dance studio’s “barre” and ends with spectacular displays by advanced students.

Marie-Joseph Lagrange: …commentaries on the Bible, the Études bibliques (“Biblical Studies”), to which he contributed three volumes: on the historical method of Old Testament criticism, on the Book of Judges, and on the Semitic religions.

Auguste Bravais: In Études cristallographiques (1866) he exhaustively analyzed the geometry of molecular polyhedra.

Transcendental Études, series of 12 musical études by Franz Liszt, published in their final form in the early 1850s. They are highly varied and technically demanding, and they exhibit little of the sense of overall structure that someone such as Beethoven would have employed. These energetic études

Ernest Renan: Early works: …essays, Études d’histoire religieuse (1857; Studies of Religious History) and Essais de morale et de critique (1859; “Moral and Critical Essays”), first written for the Revue des Deux Mondes and the Journal des Débats. The Études inculcated into a middle-class public the insight and sensitivity of the historical, humanistic approach…

Jacobus Henricus van ’t Hoff: Birth of physical chemistry: …he published the innovative book Études de dynamique chimique (“Studies in Chemical Dynamics”), in which he used the principles of thermodynamics to provide a mathematical model for the rates of chemical reactions based on the changes in the concentration of reactants with time. In the Études, van ’t Hoff showed…

Frédéric and Irène Joliot-Curie: He created the Société d’Études des Applications des Radio-éléments Artificiels, an industrial company that gave work certificates to scientists and thus prevented their being sent to Germany. In May 1944, Irène and their children took refuge in Switzerland, and Frédéric lived in Paris under the name of Jean-Pierre…

Modernism: …theories on the Gospels in Études évangéliques (1902; “Studies in the Gospels”) were both condemned by François Cardinal Richard, the archbishop of Paris. In England George Tyrrell, an Irish-born Jesuit priest, was dismissed from his teaching post and from the Jesuits for his views on papal infallibility and for a…

Henri-François-Émile Termier: …his observations and findings including Études géologiques sur le Maroc central et le Moyen Atlas septentrional (1936; “Geological Studies of Central Morocco and the Northern Middle Atlas Mountains”), Paléontologie marocaine (1947–50; “Moroccan Paleontology”), Traité de géologie (1952–56; “Treatise on Geology”), Traité de stratigraphie (1964; “Treatise on Stratigraphy”), Biologie des premiers…

André van Hasselt: …most innovative work was the Études rhythmiques (published in Poëmes, paraboles, odes, et études rhythmiques, 1862), a collection of some 120 poems in which he attempted to create a Romantic formalism in French verse by applying principles of Germanic prosody.

François Laurent: His greatest work was Études sur l’histoire de l’humanité, 18 vol. (1861–70), a political and cultural history of man that was extremely popular in France, Germany, and England. It was praised for its great erudition but criticized for its theistic scheme and contention that man’s progress is the result…

Earth sciences: Louis Agassiz and the ice age: …and in 1840 published his Études sur les glaciers (“Studies of Glaciers”), demonstrating that Alpine glaciers had been far more extensive in the past. That same year he visited the British Isles in the company of Buckland and extended the glacial doctrine to Scotland, northern England, and Ireland. In 1846…

Charles Cros: In his book Études sur les moyens de communication avec les planètes (1869; “Studies on the Means of Communication with the Planets”), Cros speculated on the use of a huge concave mirror with a focal length equal to the distance of Mars or Venus from Earth. Sunlight concentrated…

Robert Schumann: The early years: …and the Études symphoniques (1834–37; Symphonic Studies), another work consisting of a set of variations.

Gabriel-Auguste Daubrée: …and his most significant work, Études synthétiques de géologie expérimentale (1879; “Synthesis Studies on Experimental Geology”), reflects his primary interest. The minerals daubreeite and daubreelite were named for him.

Egypt: Labour and taxation: …by the government through the Egyptian Trade Union Federation (ETUF) and umbrella organizations with close ties to the government. Hundreds of independent trade unions sprang up after President Mubarak’s removal, but board elections that would enable these unions to be formalized were continuously delayed. When elections were finally held in…

African dance: Rhythm: …Nkpopi is a leaping dance; Etukwa requires the torso to be inclined to the earth as the feet drum a staccato beat; Nzaukwu Nabi is a stamping step with sudden pauses.

airport: Cargo facilities: …as transfer vehicles (TVs) and elevating transfer vehicles (ETVs).

Leopold Zunz: …initiated with his seminal work, Etwas über die rabbinische Litteratur (1818; “On Rabbinic Literature”), which revealed to the interested public, for the first time, the scope and beauty of postbiblical Jewish literature. In 1819, with the noted jurist Eduard Gans and a merchant and mathematician, Moses Moser, Zunz founded the…

Spain: Culture of Muslim Spain: …have been derived from the Etymologies of Isidore of Sevilla and from other Christian writers. In the 9th century the situation changed abruptly: the Andalusians, who traveled east in order to comply with the injunction to conduct a pilgrimage to Mecca at least once in their lifetimes, took advantage of…

Spain: Culture of Muslim Spain: …have been derived from the Etymologies of Isidore of Sevilla and from other Christian writers. In the 9th century the situation changed abruptly: the Andalusians, who traveled east in order to comply with the injunction to conduct a pilgrimage to Mecca at least once in their lifetimes, took advantage of…

dictionary: Since 1828: …of humble origin; in his Etymological Dictionary of the Scottish Language, his use of “mean” sources marked a turning point in the history of lexicography. Even as late as 1835 the critic Richard Garnett said that “the only good English dictionary we possess is Dr. Jamieson’s Scottish one.” Another collector,…

dictionary: Specialized dictionaries: …for English was Stephen Skinner’s Etymologicon Linguae Anglicanae of 1671, in Latin, with a strong bias for finding a Classical origin for every English word. In the 18th century, a number of dictionaries were published that traced most English words to Celtic sources, because the authors did not realize that…

Spain: Culture of Muslim Spain: …have been derived from the Etymologies of Isidore of Sevilla and from other Christian writers. In the 9th century the situation changed abruptly: the Andalusians, who traveled east in order to comply with the injunction to conduct a pilgrimage to Mecca at least once in their lifetimes, took advantage of…

etymology, the history of a word or word element, including its origins and derivation. Although the etymologizing of proper names appears in the Old Testament and Plato dealt with etymology in his dialogue Cratylus, lack of knowledge of other languages and of the historical developments that

Aaron ben Elijah: In the first book, ʿEtz ḥayyim (1346; “Tree of Life”), modeled after the 12th-century Jewish philosopher Maimonides’ Moreh nevukhim (The Guide for the Perplexed), he attempts to create a Karaite counterpart to Maimonides’ Aristotelian outlook. In the second book, Gan Eden (1354; “The Garden of Eden”), he attempts to…

Ḥayyim ben Joseph Vital: His major work was the ʿEtz ḥayyim (“Tree of Life”), a detailed exposition of Lurian Kabbala, which also appeared in altered editions by rivals that he repudiated. His son Samuel published accounts of Vital’s dreams and visions posthumously under the title Shivḥe R. Ḥayyim Vital.

Irgun Zvai Leumi, Jewish right-wing underground movement in Palestine, founded in 1931. At first supported by many nonsocialist Zionist parties, in opposition to the Haganah, it became in 1936 an instrument of the Revisionist Party, an extreme nationalist group that had seceded from the World

Attila: …he appears under the name Etzel in the Nibelungenlied and under the name Atli in Icelandic sagas.

Jakob Wassermann: …extended into a trilogy including Etzel Andergast (1931) and Joseph Kerkhovens dritte Existenz (1934; Kerkhoven’s Third Existence). Mein Weg als Deutscher und Jude (1921; My Life as German and Jew) is Wassermann’s autobiography.

communitarianism: Varieties of communitarianism: …Avner de-Shalit, Jean Bethke Elshtain, Amitai Etzioni, William A. Galston, Alasdair MacIntyre, Philip Selznick, and Michael Walzer.

europium (Eu), chemical element, a rare-earth metal of the lanthanide series of the periodic table. Europium is the least dense, the softest, and the most volatile member of the lanthanide series. The pure metal is silvery, but after even a short exposure to air it becomes dull, because it readily

European Union (EU), international organization comprising 27 European countries and governing common economic, social, and security policies. Originally confined to western Europe, the EU undertook a robust expansion into central and eastern Europe in the early 21st century. The EU’s members are

carbon offset: Carbon-offsetting process: (UNFCCC) Kyoto Protocol or the European Union Emission Trading Scheme (EU ETS; a regional carbon market where European countries can trade carbon allowances to meet regional emission-reduction goals). A benefit of carbon offsetting within such compliance schemes is that it enables emission reductions to occur where costs are lower, leading…

ʿEua, volcanic and limestone island in the Tongatapu Group of Tonga, southwestern Pacific Ocean. The second largest of the group, ʿEua is hilly and rises to an elevation of 1,078 feet (329 metres). Sighted in 1643 by the Dutch navigator Abel Janszoon Tasman, the island was originally named

angiosperm: Annotated classification: Lamiids The following 8 orders. Order Boraginales Family: Boraginaceae. Order Garryales Families: Eucommiaceae, Garryaceae. Order

Evangelical United Brethren Church (EUB), Protestant church formed in 1946 by the merger of the Evangelical Church and the Church of the United Brethren in Christ. Both of these churches were essentially Methodist in doctrine and church government, and both originated among German-speaking people

eubacterium, term formerly used to describe and differentiate any of a group of prokaryotic true bacteria from the archaebacteria. Today, true bacteria form the domain Bacteria. Bacteria are genetically and morphologically distinct from organisms classified in the other two domains of life, Archaea

eubacterium, term formerly used to describe and differentiate any of a group of prokaryotic true bacteria from the archaebacteria. Today, true bacteria form the domain Bacteria. Bacteria are genetically and morphologically distinct from organisms classified in the other two domains of life, Archaea

eubacterium, term formerly used to describe and differentiate any of a group of prokaryotic true bacteria from the archaebacteria. Today, true bacteria form the domain Bacteria. Bacteria are genetically and morphologically distinct from organisms classified in the other two domains of life, Archaea

right whale: …the whales of the genus Eubalaena (though originally only to E. glacialis). The bowhead has a black body, a white chin and throat, and, sometimes, a white belly. It can grow to a length of about 20 metres (65.6 feet), up to 40 percent of which is the strongly arched…

right whale: …Hemisphere, referred to as the southern right whale. Whether found in northern or southern latitudes, these right whales are estimated to reach a maximum length of about 18 metres (59 feet). They may or may not have white on the underside, and they resemble the bowhead in form but have…

right whale: …classified into three different species: E. glacialis of the North Atlantic and E. japonica of the North Pacific, both commonly called northern right whales, and E. australis of the Southern Hemisphere, referred to as the southern right whale. Whether found in northern or southern latitudes, these right whales are estimated…

right whale: … of the North Atlantic and E. japonica of the North Pacific, both commonly called northern right whales, and E. australis of the Southern Hemisphere, referred to as the southern right whale. Whether found in northern or southern latitudes, these right whales are estimated to reach a maximum length of about…

Joe Calzaghe: …and in 1997 he defeated Chris Eubank to win the World Boxing Organization (WBO) super middleweight championship. He went on to win the International Boxing Federation (IBF) title in 2006.

Gregory Hines: …starred with his brother in Eubie!, a tribute to American ragtime pianist and composer Eubie Blake that was choreographed by Le Tang. The production was a great success and sparked new interest in tap dancing. Hines received a Tony Award nomination, and other nominations followed for performances in Comin’ Uptown…

lizard: Annotated classification: Subfamily Eublepharinae (banded and leopard geckos) Geckos with movable eyelids and no adhesive toe pads. In general, they use an active foraging mode. They live in southwestern North America, Central America, southern Asia, and Africa south of the Sahara. 6 genera and about 25 species are…

Euboea, island, the largest in Greece, after Crete (Modern Greek: Kríti). It is located in the Central Greece (Stereá Elláda) periféreia (region), in the Aegean Sea. It lies along the coasts of the periféreies (regions) of Western Greece (Dytikí Elláda), Peloponnese (Pelopónnisos), and Attica

Gulf of Euboea, arm of the Aegean Sea, between the island of Euboea (Modern Greek: Évvoia) to the northeast and the Greek mainland to the southwest. Trending northwest-southeast, the gulf is divided by the narrow Strait of Euripus, at the town of Chalkída. The northern part is about 50 miles (80

Dio Chrysostom: Best known is the Euboicus, depicting country life on the island of Euboea, an important document for social and economic history. A patriotic Greek who accepted Roman rule, Dio typifies the revival of Greek self-confidence under the Roman Empire that marks the beginning of the New or Second Sophistic…

fairy shrimp: …America the most common is Eubranchipus vernalis.

Eubulides Of Miletus was a member of the Megarian school of philosophy in Athens and renowned as an inventor of logical paradoxes, the most famous of which is “The Liar” (“Does a man who says that he is now lying, speak truly?”). He was a contemporary of Aristotle, whom he attacked, and tradition

Eubulus was an Athenian statesman noted for his able financial administration. Eubulus first became prominent in 355 bc, when Athens was morally and financially exhausted from 13 years of war. From then until 346 he was the most influential politician in Athens. He used his position as chief

eucalyptus, (genus Eucalyptus), large genus of more than 660 species of shrubs and tall trees of the myrtle family (Myrtaceae), native to Australia, includingTasmania, and nearby islands. In Australia the eucalypti are commonly known as gum trees or stringybark trees. Many species are cultivated

eucalyptus, (genus Eucalyptus), large genus of more than 660 species of shrubs and tall trees of the myrtle family (Myrtaceae), native to Australia, includingTasmania, and nearby islands. In Australia the eucalypti are commonly known as gum trees or stringybark trees. Many species are cultivated

eucalyptus: Major species and uses: …are the black peppermint tree; southern mahogany (E. botryoides); karri (E. diversicolor); Tasmanian bluegum; white ironbark, or yellow gum (E. leucoxylon); jarrah (E. marginata); messmate stringybark (E. obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many

eucalyptus: Major species and uses: botryoides); karri (E. diversicolor); Tasmanian bluegum; white ironbark, or yellow gum (E. leucoxylon); jarrah (E. marginata); messmate stringybark (E. obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many species is used in papermaking and

eucalyptus: Major species and uses: salicifolia) and Tasmanian bluegum (E. globulus), contain a volatile aromatic oil known as eucalyptus oil. Its chief use is medical, and it constitutes an active ingredient in expectorants and inhalants. Tasmanian bluegum, northern gray ironbark (E. siderophloia), and other species yield what is known as Botany Bay…

eucalyptus: Major species and uses: diversicolor); Tasmanian bluegum; white ironbark, or yellow gum (E. leucoxylon); jarrah (E. marginata); messmate stringybark (E. obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many species is used in papermaking and tanning.

eucalyptus: Physical description: …inches) in diameter—are borne by mottlecah, or silverleaf eucalyptus (E. macrocarpa).

eucalyptus: Major species and uses: leucoxylon); jarrah (E. marginata); messmate stringybark (E. obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many species is used in papermaking and tanning.

eucalyptus: Major species and uses: marginata); messmate stringybark (E. obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many species is used in papermaking and tanning.

eucalyptus: Major species and uses: …volatile aromatic oil known as eucalyptus oil. Its chief use is medical, and it constitutes an active ingredient in expectorants and inhalants. Tasmanian bluegum, northern gray ironbark (E. siderophloia), and other species yield what is known as Botany Bay kino, an astringent dark reddish resin, obtained in a semifluid state…

eucalyptus: Physical description: The giant gum tree, or mountain ash (Eucalyptus regnans), of Victoria and Tasmania, is one of the largest species and attains a height of about 90 meters (300 feet) and a circumference of 7.5 meters (24.5 feet). Many species continually shed the dead outermost layer of…

eucalyptus: Major species and uses: obliqua); red mahogany (E. resinifera); northern gray ironbark; and others. The bark of many species is used in papermaking and tanning.

eucalyptus: Major species and uses: Tasmanian bluegum, northern gray ironbark (E. siderophloia), and other species yield what is known as Botany Bay kino, an astringent dark reddish resin, obtained in a semifluid state from incisions made in the tree trunk.

crustacean: Annotated classification: Superorder Eucarida. Carapace large, fused dorsally to all thoracic segments; eyes stalked; development usually involves larval forms but is sometimes direct. Order Euphausiacea (krill) Holocene; carapace does not cover gills; thoracic limbs with 2 well-developed branches; eggs usually shed freely; first larva a nauplius; 6–81 mm;…

eukaryote, any cell or organism that possesses a clearly defined nucleus. The eukaryotic cell has a nuclear membrane that surrounds the nucleus, in which the well-defined chromosomes (bodies containing the hereditary material) are located. Eukaryotic cells also contain organelles, including

orchid: Natural history: … and Gorytes, and the bee Eucera induce the insects to attempt copulation with the apex of the lip. Those orchids pollinated by Andrena appear, for the most part, to stimulate the bee to reverse its position and copulate with the base of the lip. In the former group the pollinarium…

flatworm: Annotated classification: Subclass Eucestoda Polyzoic tapeworms with scolex (head) of varying structure; body usually with distinct external segmentation; parasitic in intestine of vertebrates. Known commonly as the “true” tapeworms; well more than 3,000 species. Order Tetraphyllidea Scolex with 4 bothridia (leaflike muscular structure); vitellaria located in lateral margins…

Eucharist, in Christianity, ritual commemoration of Jesus’ Last Supper with his disciples. The Eucharist (from the Greek eucharistia for “thanksgiving”) is the central act of Christian worship and is practiced by most Christian churches in some form. Along with baptism it is one of the two

Christianity: Liturgy: the school and feast of faith: …outstanding example is provided by Eucharistic Prayer IV in the Roman Missal of 1969–70, which has been borrowed and adapted by several other churches. Here the words and the ritual actions allow a reappropriation of the entire story of salvation:

Saint Sarapion: …Christian public prayer is Sarapion’s Euchologion (“Collected Prayers,” or “Sacramentary”), which contains liturgical texts for various rites and blessings, including some of the earliest formulas in the Eucharist. Sarapion also created certain unique eucharistic verses invoking the divine Logos (“Word”) to consecrate the sacramental elements of bread and wine.